package com.lyz.dataStructure.sust;/**
 * @Author:759057893@qq.com Lyz
 * @Date: ${Date} 20:45
 * @Description:
 **/

import java.util.Scanner;

public class Test2 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()){
            String s = sc.nextLine();
            String[] st = s.split(" ");
            int[] arr = new int[st.length];
            int i;
            for(i=0;i<arr.length;i++){
                arr[i] = Integer.parseInt(st[i]);
            }
            System.out.println(arr[0]+arr[1]);
        }
    }
}
/*
public class Test2 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()){
            int[] arr = {sc.nextInt(),sc.nextInt()};
            System.out.println(arr[0]+arr[1]);
          }
        }
}*/
